Feeding management technology for laying hens
Prepare for the grouping
Before the cage is placed on the cage, check the safety and operation of the house and equipment, and carefully check whether the feeding equipment, drinking equipment and power supply lighting circuit are aging, whether it is prone to sparking, or replace it in time. Whether the ventilation and ventilation are normal, whether the exhaust fan is operating normally, whether the drainage is smooth and unobstructed, whether the chicken cage is safe and reliable, and whether the feeding utensil is convenient for cleaning and refueling. If there is an abnormality, repair and replace it in time.
Clean the floor, roof, wall of manure and dust on the house, dirt on the equipment, and have facilities and equipment to be washed. Wait for the equipment to dry on the floor before disinfecting with disinfectant or disinfectant. Thoroughly disinfect and wash all items.
Transfer group and cage
Modern high-yielding laying hens generally start laying eggs around 17 weeks of age, so they are basketed before 17 weeks of age. Let the hen have a familiar and then environmentally conscious process before the laying period and have ample time to vaccinate. If the cage is too late, it will delay the laying time and affect the increase of egg production rate. Laying hens that have already been produced may also be discontinued due to strong stress, and may even cause other diseases, increasing the number of deaths.
Choose strong and eliminate weak chickens. Modern high-yielding laying hens require good growth and uniformity, and even if they are not uniform, they will seriously affect the production performance and reduce the egg production rate. Therefore, remove the thin and sick chickens before entering the cage and choose healthy and lively chickens with proper weight.
Increase the appropriate lighting
Since the age of 19 weeks, increase the light according to the requirements of the laying period, and be careful not to increase the exposure time or the illuminance is too large, otherwise it will easily cause the cloaca valgus of some chickens (generally called rectal prolapse). In addition, the broiler chicken diet was changed to the egg-producing diet at 20 weeks of age. After gradually increasing the light, the reproductive organs of the chickens develop faster, and the weight of the chickens is still increasing. If the amount of rations fed is insufficient or unsuitable, the egg-producing diet will not be able to meet its nutritional needs, and egg production will be affected. Chickens will also appear after the chickens are opened. If the quality of the fed diet is good enough without increasing the light time, it is easy to cause the chicken to be over-fertilized, which will also reduce the egg production. By stimulating the light stimulation of the laying hens and maintaining the egg balance of the laying hens, it is also possible to adjust the sexual maturity of the prepared chickens and to tidy the eggs after the hens are opened. The light intensity should be appropriate, not too strong or too weak, too strong to produce sputum, too weak to easily not stimulate.
Feeding should be reasonable, management should be scientific
Feeding before start-up not only affects the peak duration of egg production and egg production, but also affects the number of deaths in the flock. Good laying hens, such as proper feeding and management during the growth stage, are normally developed. Eggs are generally seen at 20 weeks of age, with an egg production rate of 5% at 21 weeks of age and an egg production peak at 27 weeks of age. From the start of production to the peak of egg production, the flock is growing at the highest rate of egg production per week. This stage is the most critical period of laying period. All effective measures should be taken to keep the flock healthy and vigorous. Breeding function to reach the peak of egg production as scheduled. Free access to food should be resumed before starting to ensure adequate drinking. Insufficient drinking water will affect the increase in egg production rate and there will be more rectal prolapse.
Poorly ill chickens have high egg-laying performance. Therefore, it is necessary to do a good job of quarantine and disinfection to prevent the harm of pathogenic microorganisms to the flock. With good and basically stable environmental conditions, hens can produce high yield and stability. It is necessary to regularly eliminate the weak and thin chickens that are likely to have hidden dangers in order to maintain the safety of the flock.
Maintain good environmental hygiene
After being basketed, the chicken is unfamiliar with the environment, and a series of management procedures are carried out to cause greater stress on the chicken. With the increase in egg production rate, the metabolism of chicken body is strong, the resistance is poor, and it is very vulnerable to pathogen invasion. Therefore, it is necessary to strengthen the work of epidemic prevention and sanitation. Eliminate the entry of outsiders into the breeding area and the chicken house. The laying hens should be disinfected before entering the house to keep the house environment, drinking water and feed hygiene. Regular disinfection with chicken and disinfection inside and outside the chicken farm to reduce the incidence of disease.
In addition, some antibacterials and Chinese herbal medicines can be used to prevent the occurrence of E. coli and mycoplasmosis.
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